Washing machine



FIG. 1 is a front, left side, perspective view showing a washing machine according to a first embodiment of our design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a front, left side, perspective view showing a washing machine according to a second embodiment of our design;

FIG. 7 is a front view thereof;

FIG. 8 is a right side view thereof;

FIG. 9 is a left side view thereof; and,

FIG. 10 is a top view thereof.

The broken lines represent environment or structure and do not form any part of the claimed design.

The rear and bottom views of each embodiment are unornamented and/or unclaimed and are therefore not provided. 

The ornamental design for a washing machine, as shown and described. 